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For you outboard guys; 557hp V8

Old 02-23-2011, 10:51 PM
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Originally Posted by Catmando
On your boat 3 350 four strokes weigh 1890lbs. Two 7s are 1114hp and 2000lbs. Pretty much a tradeoff eh?
at the same time an 09 350 verado is around 25k per motor multiply that by thre and you get 75k for his currents setup versus 140k for 2 motors (i realize verado price maybe wrong but unless its 46.5k per motor its still cheaper)
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Old 02-24-2011, 09:19 AM
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Some of these points are based on accepting their 557 horsepower rating. Where was this figure obtained? Propshaft or at the crank? I highly doubt that after making two 90 degree turns on the way to the water that there is 557 horsepower left.
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Old 02-24-2011, 09:46 AM
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Originally Posted by Riley0114
someone told me that at the boat show they were gonna be like 70k or something

I could buy 4 300X and put them on my flats boat..

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Old 02-24-2011, 11:03 AM
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The market for these things may be more the heavy hauler/tug/fishing rigs that run outboards. They could probably more benefit from the torque and projected durability of this setup. I really don't see this as a high performance product in its current state.

If they can get more Hp per weight out of it with power adders or tuning, or lighten the motors down to 600-700lbs. then it makes sense, but right now its a "trade-off" that doesn't provide any benefit and costs nearly double @ its projected price.


***Edit to add***
I don't know what the market would be for a 50-60' Sea Ray Sundancer with 2-3 of these mounted on the back of it, but you could probably have one helluva party in the aft cabin...

Last edited by wjb21ndtown; 02-24-2011 at 11:06 AM.
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Old 02-24-2011, 11:44 AM
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These are the LS small block GM engine straight out of the Supercharged Cadillac,
Take off the cowling and any mechanic with 2 brain cells can work on the engine as opposed to outboards which are brain surgery to most..
They also make tons of torque on top of great HP..

While a lot of people may think price is high
keep in mind the new Merc 1350s are close to 200k a side
and every other performance boat at the Miami show had a pair.
What seems high to some is pocket change for others.
_________________________________________

The supercharged 6.2L LSA debuted in the 2009 Cadillac CTS-V. The LSA has been SAE certified at 556 bhp (415 kW)@6100rpm and 551 lb·ft (747 N·m)@3800rpm.
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Old 02-24-2011, 11:53 AM
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Originally Posted by Catmando
On your boat 3 350 four strokes weigh 1890lbs. Two 7s are 1114hp and 2000lbs. Pretty much a tradeoff eh?
Not to mention the extra drag of that third gearcase kills a lot of the extra HP of the thirs engine, thats why 3 engine CCs are only moderately faster than twin engines and waste more fuel.
Quad engined CCs are a even closer to 3 engined ones again because of all that extra drag thru the water plus the extra turbulence of having four props that close to each other on a normal beam CC.
I would dare say twin 500hp outboards would run same as quad 300s and use much less fuel making the price about same for either setup ..

Last edited by HTRDLNCN; 02-24-2011 at 11:57 AM.
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Old 02-24-2011, 10:34 PM
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Originally Posted by Catmando
On your boat 3 350 four strokes weigh 1890lbs. Two 7s are 1114hp and 2000lbs. Pretty much a tradeoff eh?
i'm with u brian can u say broke transon i can see it it now laying in the middle of i 40 ; and cat if i'm going to hang 3 0r 4 outboards off mine it will 2 strokes .
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Old 02-24-2011, 10:45 PM
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At the show, the "7" guy told me the stock versions were $68K each. The ones at the show were $75K each. I'm not sure what $7K feature they had...
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Old 03-06-2011, 04:05 AM
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Order1 trade the 242 plus cash for another and strap them to the transom of a 33 Outrageous LOL
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Old 03-06-2011, 04:13 AM
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Originally Posted by HTRDLNCN
These are the LS small block GM engine straight out of the Supercharged Cadillac,
Take off the cowling and any mechanic with 2 brain cells can work on the engine as opposed to outboards which are brain surgery to most..
They also make tons of torque on top of great HP..

While a lot of people may think price is high
keep in mind the new Merc 1350s are close to 200k a side
and every other performance boat at the Miami show had a pair.
What seems high to some is pocket change for others.
_________________________________________

The supercharged 6.2L LSA debuted in the 2009 Cadillac CTS-V. The LSA has been SAE certified at 556 bhp (415 kW)@6100rpm and 551 lb·ft (747 N·m)@3800rpm.

These are all MSRP cost nobody pay's this amount
if you look at merc's price's you could by most of the motor's for a little bit over half of MSRP
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